UBB.threads PHP Forum Software Community Forums Resources and Customizing How Do I? Problem updating the HTML includes

When I hit the update bottom all I get is a blank white screen at the following address: http://neice.com/forum/admin/dogen_display.php

I have checked all the file permissions and they are fine. It just stooped working and I can't figure it out and what to do so I can update my header Ad

Thanks.....Doug